I'll move this thread to the correct forum as it's not about 'Installation' of Zimbra.

Originally Posted by Khanali

What i think is that this line is the key

HTML Code:

Host or domain name not found. Name service error for name=appnamerit.com type=A: Host not found, try again)

You're quite right, that is the key.

Originally Posted by Khanali

I think it is something to do with bind/dns setting. Please by example show how to fix it.

A forum search for that error would have found many threads and answers on this subject. If, as I suspect, you're behind a NAT router you'll need to set-up a Split DNS - search the forums and wiki for details of the required configuration.